20049664383 has 24 divisors (see below), whose sum is σ = 33137395200. Its totient is φ = 11443265424.

The previous prime is 20049664337. The next prime is 20049664417. The reversal of 20049664383 is 38346694002.

20049664383 is a `hidden beast` number, since 20 + 0 + 496 + 64 + 3 + 83 = 666.

It is not a de Polignac number, because 20049664383 - 2⁸ = 20049664127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20049664333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136803 + ... + 242516.

It is an arithmetic number, because the mean of its divisors is an integer number (1380724800).

Almost surely, 2^20049664383 is an apocalyptic number.

20049664383 is a deficient number, since it is larger than the sum of its proper divisors (13087730817).

20049664383 is a wasteful number, since it uses less digits than its factorization.

20049664383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380171 (or 380168 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 20049664383 in words is "twenty billion, forty-nine million, six hundred sixty-four thousand, three hundred eighty-three".